diff --git a/.travis.yml b/.travis.yml
index c867c81..51f485a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 language: php
 
 php:
+  - 8.0
   - 7.4
   - 7.3
   - 7.2
@@ -10,4 +11,5 @@ before_script:
   - make deps-install
 
 script:
-  - make coverage cs-check
\ No newline at end of file
+  - make coverage
+  - make cs-check
diff --git a/Makefile b/Makefile
index 2c3dc5b..b97dcbd 100644
--- a/Makefile
+++ b/Makefile
@@ -26,7 +26,7 @@ test: composer.lock
 
 # Run tests with clover coverage report
 coverage: composer.lock
-	./vendor/bin/phpunit --coverage-clover build/logs/clover.xml
+	XDEBUG_MODE=coverage ./vendor/bin/phpunit --coverage-clover build/logs/clover.xml
 	./vendor/bin/php-coveralls -v
 
 
diff --git a/README.md b/README.md
index 36ae37d..d4f2434 100644
--- a/README.md
+++ b/README.md
@@ -1,11 +1,11 @@
-[![Build Status](https://travis-ci.org/sirn-se/phrity-comparison.svg?branch=master)](https://travis-ci.org/sirn-se/phrity-comparison)
+[![Build Status](https://travis-ci.com/sirn-se/phrity-comparison.svg?branch=master)](https://travis-ci.com/sirn-se/phrity-comparison)
 [![Coverage Status](https://coveralls.io/repos/github/sirn-se/phrity-comparison/badge.svg?branch=master)](https://coveralls.io/github/sirn-se/phrity-comparison?branch=master)
 
 # Comparison
 
 Interfaces and helper trait for comparing objects. Comparator utility class for sort and filter applications.
 
-Current version supports PHP `^7.1`.
+Current version supports PHP `^7.1|^8.0`.
 
 ## Installation
 
@@ -168,8 +168,12 @@ class Phrity\Comparison\IncomparableException
 }
 ```
 
+
 ## Versions
 
-* `1.2` - The `Comparator` supports stored content for multiple operations (PHP ^7.1)
-* `1.1` - The `Comparator` class for sort and filter (PHP 5.6|^7.0)
-* `1.0` - `Equalable` and `Comparable` interface, `ComparisonTrait` trait (PHP 5.6|^7.0)
+| Version | PHP | |
+| --- | --- | --- |
+| `1.3` | `^7.1\|^8.0` |  |
+| `1.2` | `^7.1` | The `Comparator` supports stored content for multiple operations |
+| `1.1` | `>=5.6` | The `Comparator` class for sort and filter |
+| `1.0` | `>=5.6` | `Equalable` and `Comparable` interface, `ComparisonTrait` trait |
diff --git a/composer.json b/composer.json
index 4b001ba..b052f7c 100644
--- a/composer.json
+++ b/composer.json
@@ -23,11 +23,11 @@
     }
   },
   "require": {
-    "php": "^7.1"
+    "php": "^7.1|^8.0"
   },
   "require-dev": {
-    "phpunit/phpunit": "^7.0|^8.0",
-    "php-coveralls/php-coveralls": "2.*",
-    "squizlabs/php_codesniffer": "3.*"
+    "phpunit/phpunit": "^7.0|^8.0|^9.0",
+    "php-coveralls/php-coveralls": "^2.0",
+    "squizlabs/php_codesniffer": "^3.5"
   }
 }